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line x+y=2 touches the circle x^2+y^2=4 at what point

line x+y=2 touches the circle x^2+y^2=4 at what point

Grade:12th pass

2 Answers

Arun
25768 Points
2 years ago
 
Dear student
 
let the contact point is (a, b)
 
ax + by = 4
 
now ax/2 + bx/2 = 2
 
on comparing
 
a = 2 and b = 2
Saurabh Koranglekar
askIITians Faculty 10341 Points
2 years ago
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